Door closer



FIG. 1 is a top plan view of the door closer;

FIG. 2 is the right side view thereof;

FIG. 3 is the bottom view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the front end view thereof;

FIG. 6 is the rear end view thereof;

FIG. 7 is a perspective view featuring the right side view thereof; and

FIG. 8 is a perspective view featuring the left side view thereof. 

The ornamental design for a door closer, as shown. 